Home / 160,692.96-221,479.36-106,881.76

Finding the Fourth Proportional to 160,692.96, 221,479.36 and 106,881.76

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Solution

The fourth proportional to 160,692.96, 221,479.36 and 106,881.76 is: 147,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,692.96 : 221,479.36 = 106,881.76 : x
  2. Step 2: Convert to fraction form
    160,692.96/221,479.36 = 106,881.76/x
  3. Step 3: Cross multiply
    160,692.96x = 221,479.36 × 106,881.76
  4. Step 4: Simplify right side
    160,692.96x = 23,672,103,800.47
  5. Step 5: Solve for x
    x = 23,672,103,800.47/160,692.96
  6. Step 6: Final answer
    x = 147,312.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.